Panel



FIG. 1 is a front perspective view of a panel showing our new design;

FIG. 2 is a front elevational view of the panel shown in FIG. 1;

FIG. 3 is a left side view of the panel shown in FIG. 2, the right side being a mirror image of the left side shown; and,

FIG. 4 is a cross-sectional view of the panel along line 4—4 of FIG. 2.

The broken lines shown in FIGS. 1, 3, & 4 are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a panel, as shown and described. 